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# GATE 2021:Building Materials and Construction Management Rapid Mini Mock (App update required to attempt this test)

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Question 1

Stretcher bond is possible only in

Question 2

Lime mortar mixing is done in

Question 3

Which of the following process is known as slacking?

Question 4

Quantity of gypsum added in a portland cement is

Question 5

Which of the following statements are true?
1) Hydration of cement is an exothermic reaction.
2) C3S is responsible for rate of gain of strength at later days.
3) High heat of hydration implies high rate of gain of strength.

Question 6

Wp and Wf are the weight of the cylinder containing partially and fully compacted concrete. If the compacting factor (Wp/ Wf ) is 0.95, the workability of concerte is:

Question 7

Which of the following compound are used as a water proofing agent in concrete?

Question 8

A project network is shown below. Numbering according to Fulkerson’s rule the node numbers corresponding to events A, B, C, D, E, F, G, H and I are Question 9

It is estimated that an activity can be assigned an optimistic duration of 16 days, a pessimistic duration of 27 days and a most likely duration of 18 days. What is the expected time and standard deviation(days) of this activity?

Question 10

For the given network, the float is zero for _ activities. Question 11 Indirect cost is 500 per duration.
The optimum duration of the project will be

Question 12

Consider the following network diagram, where σ is standard deviation for a particular activity (under the normal distribution curve, the probability at Z = 1 is 84.13%) The probability of completing the project before 31 days is __________%.

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